Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with a graphical user interface according to the claimed design.

The dashed broken lines depict portions of the graphical user interface and form no part of the claimed design. The dot-dash broken line depicts the perimeter of a display screen or portion thereof and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 